I heard this on BBC Radio 1 the other day when they had Katy Perry in the studio for an interview. Hysterical! If you're not familiar with The Baseballs, they are one of the most popular acts in Europe. This German group takes current hits and covers them in a 1950s style. Katy Perry said she was going to invite them to sing this at a concert with her. lol Their cover of Snow Patrol's "Chasing Cars" is classic.